The document compares cycle time and standard minute value (SMV) in manufacturing, highlighting that cycle time is the actual time for an operation, while SMV is the theoretical time at an operator's normal pace. It addresses factors influencing both metrics, including task complexity, worker skill level, and production line layout. Additionally, it discusses the importance of these metrics for improving efficiency, estimating labor requirements, and identifying bottlenecks in production processes.

1. SMV
vs
Cycle Time
Name: Md. Liton Ahamed
Presentation on

2.  Cycle time is the actual time it takes an
operator to complete an operation, from
start to finish. It includes the time spent
on both productive and non-productive
activities.
 SMV (Standard Minute Value) is the
theoretical time it takes an operator to
complete an operation at their normal
pace, without any delays or
interruptions. It is calculated by taking
the cycle time and multiplying it by the
operator's performance rating.
SMV vs Cycle Time

3. Standard Minute Value (SMV)
 SMV is a widely used metric in manufacturing
that quantifies the time required for a skilled
worker to perform a specific task following a
predetermined standard method.

4. Standard Minute Value (SMV)
 Use: SMV is crucial for estimating labor requirements
accurately, planning production schedules efficiently,
and setting performance benchmarks for workers and
production lines.
 Formula: Explain the components of the SMV formula:
SMV = Basic Time + (Allowances * Basic Time

5. Factors Affecting SMV (Standard Minute
Value):
 Task Complexity: The complexity of the task itself influences the time it takes to
complete it. More intricate tasks usually have higher SMVs.
 Skill Level: The proficiency of the worker performing the task affects the SMV.
Skilled workers might complete tasks faster than less experienced ones.
 Learning Curve: Workers tend to become more efficient as they gain experience
with a task, which can lead to a decrease in SMV over time.
 Method of Work: The defined method or technique used to perform the task
impacts the time required. Efficient methods can lower the SMV.
 Allowances: Allowances are additional time factors added to the basic time to
account for rest breaks, fatigue, and other factors. The accuracy of allowances can
influence the accuracy of SMV.
 Workplace Conditions: Factors like lighting, workspace layout, and ergonomic
design can impact worker efficiency and, consequently, the SMV.
 Tools and Equipment: The availability and condition of tools and equipment
directly affect the speed and quality of task completion.

6. Cycle Time
 Cycle time refers to the total time it takes to
complete one full production cycle, starting
from the production of one unit to the initiation
of the next unit.
 Emphasize that cycle time provides a holistic
view of production efficiency, helping identify
bottlenecks, optimize processes, and
enhance overall productivity.

7. Cycle Time
 Formula:
Present the components of the cycle time
formula: Cycle Time = Production Time + Wait
Time + Move Time + Inspection Time.

8. Factors Affecting Cycle Time:
 Machine Speed: The speed at which machines operate in the production process directly affects the
time it takes to complete each cycle.
 Production Line Layout: An optimized layout can reduce movement and transportation time
between workstations, effectively decreasing cycle time.
 Setup and Changeover Time: The time required to set up or switch between different tasks or
products impacts overall cycle time. Reducing setup time can increase efficiency.
 Quality Inspection: The time needed for quality checks and inspections adds to the cycle time.
Efficient inspection methods can reduce this time.
 Wait Time: Any delays in material availability, worker availability, or machine downtime can lead to
waiting time and increase cycle time.
 Move Time: The time taken to move materials or products between workstations or locations
contributes to cycle time.
 Bottlenecks: Points in the production process where work accumulates due to imbalances in
capacities can significantly extend cycle time.
 Maintenance and Downtime: Unscheduled downtime for maintenance or repairs directly affects the
overall cycle time by reducing the effective working time.
 Automation: Introducing automation to certain tasks can drastically reduce cycle time, as machines
can work consistently and quickly.
 Production Volume: High production volume can lead to congestion and longer cycle times if the
process isn't scaled up appropriately.

9. Definition Theoretical time to complete an operation
at normal pace
Actual time to complete an
operation, from start to finish
Includes Productive and non-productive activities Productive activities only
Based on Performance rating Actual time
Used for Setting production standards, calculating
labor costs, identifying areas for
improvement
Scheduling, monitoring production,
identifying bottlenecks
SMV vs Cycle Time

10. Any questions ?